Just what is the point of no return? German physicist, Karl Schwarzschild calculated the event horizon of black holes. And it can tell us more about the eventual fate of all the galaxies.
Read the transcript of this video (PDF).
The 7th cartoon in "60 Second Adventures in Astronomy" series, created by the Open University. Narrated by David Mitchell.
More "60 Second Adventures in Astronomy" cartoons.
Page last updated: 03 June 2014